Intelligent Image Classifier with KNN
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Automate image classification with a powerful KNN model. This workflow leverages advanced AI to identify and categorize images based on their visual content, providing accurate results for your data needs.
About This Workflow
This n8n workflow provides an automated solution for image classification using the K-Nearest Neighbors (KNN) algorithm. It begins by generating embeddings for your input images using a state-of-the-art multimodal model. These embeddings are then used to query a Qdrant vector database, retrieving the closest matches from a pre-indexed dataset of landscape images. A majority vote mechanism is employed to determine the most likely landscape category, with a tie-breaking mechanism that intelligently expands the search radius if necessary. This ensures robust and accurate classification, even for ambiguous cases, making it ideal for organizing and understanding large image collections.
Key Features
- Advanced Multimodal Embeddings: Utilizes VoyageAI for creating rich image representations.
- Efficient Vector Search: Integrates with Qdrant for fast and scalable similarity searches.
- Robust KNN Classification: Employs the K-Nearest Neighbors algorithm for accurate categorization.
- Intelligent Tie-Breaking: Automatically adjusts search parameters to resolve classification ties.
- Automated Workflow: Seamlessly orchestrates embedding, querying, and classification within n8n.
How To Use
- Configure Voyage API: Set up your Voyage API credentials in n8n.
- Configure Qdrant API: Connect your Qdrant instance and provide necessary credentials.
- Set Image Input: Use the 'Image Test URL' node to provide the URL of the image you want to classify. Ensure it's accessible.
- Define Qdrant Variables: In the 'Qdrant variables + embedding + KNN neigbours' node, set your
qdrantCloudURLandcollectionNamefor your landscape dataset. The initiallimitKNNshould be set to a reasonable starting value (e.g., 5). - Embed Image: The 'Embed image' node will generate an embedding for your input image.
- Query Qdrant: The 'Query Qdrant' node uses the generated embedding to find nearest neighbors in your Qdrant collection.
- Majority Vote & Tie Check: The workflow proceeds to 'Majority Vote' for classification. If there's a tie and the search limit hasn't been reached, 'Check tie' will increment the
limitKNNin the 'Increase limitKNN' node and re-query Qdrant. - Return Class: The 'Return class' node outputs the final classified landscape name. You can then use this output in subsequent workflow steps.
Apps Used
Workflow JSON
{
"id": "622351bc-bc67-4257-ae70-4075eac586bc",
"name": "Intelligent Image Classifier with KNN",
"nodes": 21,
"category": "Marketing",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: 622351bc-bc67...
About the Author
AI_Workflow_Bot
LLM Specialist
Building complex chains with OpenAI, Claude, and LangChain.
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